<template>
  <div>
      <!-- 面包屑导航区域 -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
          <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
          <el-breadcrumb-item>商品管理</el-breadcrumb-item>
          <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>
      <!-- 卡片区域 -->
      <el-card>
          <el-row :gutter="20">
              <el-col :span="8">
                   <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList()">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList()" ></el-button>
                    </el-input>
              </el-col>
              <el-col :span="4">
                  <el-button type="primary" @click="goAddpage">添加商品</el-button>
              </el-col>
          </el-row>
          <!-- table表格区域 -->
          <el-table :data="goodslist" border stripe>
              <el-table-column type="index"></el-table-column>
              <el-table-column label="商品名称" prop="goods_name"></el-table-column>
              <el-table-column label="商品价格(元)" width="95px" prop="goods_price"></el-table-column>
              <el-table-column label="商品重量" width="70px" prop="goods_weight"></el-table-column>
              <el-table-column label="商品创建时间" width="140px" prop="add_time">
                  <template slot-scope="scope">
                      {{scope.row.add_time | dateFormat}}

                  </template>
                
              </el-table-column>
              <el-table-column label="操作" width="130px">
                  <template slot-scope="scope">
                      <el-button icon="el-icon-edit" type="primary" size="mini">编辑</el-button>
                      <el-button icon="el-icon-delete" type="danger" size="mini" @click="removeByID(scope.row.goods_id)">删除</el-button> 
                  </template>
              </el-table-column>
          </el-table>
          <!-- 分页区域 -->
          <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total"
            background
            >
            </el-pagination>
      </el-card>
  </div>
</template>

<script>
export default {
    data(){
        return {
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 商品列表
            goodslist:[],
            // 总数据条数
            total:0
        }
    },
    created(){
        this.getGoodsList()

    },
    methods:{
        // 根据分页获取对应的商品列表
        async getGoodsList(){
            const {data:res} = await this.$http.get('goods',{params:this.queryInfo})
            if(res.meta.status !== 200){
                return this.$message.error('获取商品失败')
            }
            this.$message.success('获取商品列表成功')
            this.goodslist = res.data.goods
            this.total = res.data.total
        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()

        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeByID(id){
            const confirmResult = await this.$confirm('将永久删除该商品，是否继续？','提示',{
                confirmButtonText:'确定',
                cancelButtonText:'取消',
                type:'warning'
            }).catch(err => err)
            if(confirmResult !== 'confirm'){
                return this.$message.info('已取消删除')
            }
            const {data:res} = await this.$http.delete('goods/'+id)
            if(res.meta.status !== 200){
                return this.$$message.error('删除失败')
            }
            this.$message.success('删除成功')
            this.getGoodsList()
        },
        goAddpage(){
            this.$router.push('/goods/add')
        }

    }

}
</script>

<style lang="less" scoped>
.el-button{
    padding: 0;
}

</style>